Koyo bearings are manufactured in Japan and the USA to meet or exceed OEM standards -- Koyo Master Bearing Kit Dana 60 Front
DRK331MK, DRK331AMK -- Compatible Make / Model Chevrolet / Chevy K30/ K3500 1 Ton (4WD) (1971 - 1991) Dodge W200 3/4 Ton 4x4 (1975 - 1980) Dodge W250 3/4 Ton 4x4 (1981 - 1993) Dodge W300 1 Ton 4x4 (1960 - 1980) Dodge W350 1 Ton 4x4 (1981 - 1993) Ford F-250 3/4 Ton (1978 - 1999) Ford F-250 Super Duty 3/4 Ton (1999 - 2013) Ford F-350 1 Ton (1978 - 1998) Ford F-350 Super Duty 1 Ton (1997 - 2015) Ford F-450 Super Duty (2000 - 2004) Ford F-550 Super Duty (2000 - 2004) GMC K35/K3500 1 Ton (4WD) (1971 - 1991) ** Fits Dana Spicer 60 front ** Uses Koyo bearings and races ** Included are carrier bearings and races, pinion bearings and races, pinion seal, axle seals, pinion nut, ring gear bolts, marking compound and brush.